.vavsan-mega-menu {
    position: relative;
    background: var(--vavsan-red);
    border-bottom: 1px solid #cc0000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    /* Sticky header içi stacking portal.php’de yönetilir; dropdown arama satırının üstünde */
    z-index: 30;
  }

  .mega-nav-item {
    position: static;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    align-self: center;
    min-height: 44px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mega-nav-item:hover {
    background-color: #fff;
    color: var(--vavsan-red);
    box-shadow: 0 -2px 0 var(--vavsan-red) inset;
  }

  .mega-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: transparent;
    border: none;
    box-shadow: none;
    z-index: 40;
    display: none;
    padding: 12px 0 24px 0;
    min-height: 0;
    cursor: default;
  }

  .mega-dropdown::before {
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    width: 250px;
    height: 60px;
    background: transparent;
    z-index: -1;
  }

  .mega-nav-item:not(.mega-nav-item-pillhost):hover .mega-dropdown {
    display: block;
    animation: fadeInMega 0.2s ease-out;
  }

  @keyframes fadeInMega {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .mega-dropdown--categories {
    padding: 0;
  }

  .mega-grid-shell {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 32px 64px rgba(0,0,0,0.1), 0 12px 24px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.04);
    padding: 32px;
    max-height: 80vh;
    overflow-y: auto;
  }
  .mega-grid-shell::-webkit-scrollbar {
    width: 6px;
  }
  .mega-grid-shell::-webkit-scrollbar-track {
    background: transparent;
  }
  .mega-grid-shell::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
  }
  .mega-grid-shell::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
  }
  
  .mega-grid-card {
    padding: 16px;
    border-radius: 16px;
    background: transparent;
    transition: background 0.3s ease, border-color 0.3s ease;
    border: 1px solid transparent;
    height: 100%;
  }
  .mega-grid-card:hover {
    background: #f8fafc;
    border-color: rgba(0,0,0,0.03);
  }
  
  .mega-grid-cat-img-wrap {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    background: #f1f5f9;
    border: 2px solid #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .mega-grid-cat-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .mega-grid-cat-title:hover .mega-grid-cat-img {
    transform: scale(1.15) rotate(-2deg);
  }
  
  .mega-grid-cat-text {
    font-size: 1.15rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.25;
    transition: color 0.2s;
    letter-spacing: -0.02em;
  }
  .mega-grid-cat-title:hover .mega-grid-cat-text {
    color: var(--vavsan-red, #c31313);
  }
  
  .mega-grid-sublist {
    margin-left: 0 !important;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .mega-grid-sublink {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: #475569 !important;
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
  }
  .mega-grid-sublink:hover {
    background: #ffffff;
    color: var(--vavsan-red, #c31313) !important;
    box-shadow: 0 6px 12px -2px rgba(0,0,0,0.05);
    transform: translateX(6px);
  }
  .mega-grid-sublink-img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 2px 5px rgba(0,0,0,0.08);
  }

  .mega-link {
    display: block;
    color: #444;
    font-size: 0.88rem;
    padding: 6px 0;
    text-decoration: none;
    transition: color 0.15s, transform 0.15s;
  }
  .mega-link:hover {
    color: var(--vavsan-red);
    transform: translateX(3px);
    font-weight: 600;
  }

  /* Ürün kategori menüsü (sol blok) */
  .mega-bar-cat-block {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    flex: 0 1 auto;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.06);
  }

  .mega-bar-cat-block .mega-nav-item {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mega-bar-cat-block .mega-nav-item:last-child {
    border-right: none;
  }

  .mega-bar-nav-ctas {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px 0 8px;
    flex-wrap: nowrap;
    align-self: center;
  }

  a.mega-nav-cta {
    align-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none !important;
    white-space: nowrap;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
    border: 2px solid rgba(237, 240, 245, 0.98);
    background: rgba(255, 255, 255, 0.98);
    color: var(--vavsan-red, #c31313) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    line-height: 1.2;
  }

  a.mega-nav-cta:hover {
    background: #fff;
    color: var(--vavsan-red, #c31313) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
    border-color: #fff;
  }

  a.mega-nav-cta--ghost {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.95);
    color: #fff !important;
  }

  a.mega-nav-cta--ghost:hover {
    background: #fff;
    color: var(--vavsan-red, #c31313) !important;
  }

  @media (max-width: 1199.98px) {
    a.mega-nav-cta--hide-lgdown {
      display: none !important;
    }
  }

  /* Ekosistem: VAVDER / VAVDEM / VAVMİM / VAVHAT — pill + kompakt alt menü */
  .mega-nav-item.mega-nav-item-pillhost {
    position: relative;
    padding: 6px 8px;
    align-self: center;
    cursor: pointer;
    border-right: none !important;
  }

  @media (min-width: 768px) {
    .vavsan-mega-menu .container-xl,
    .mega-bar-trailing,
    .mega-bar-eco-cluster {
      overflow: visible;
    }

    .mega-nav-item.mega-nav-item-pillhost:hover,
    .mega-nav-item.mega-nav-item-pillhost:focus-within {
      z-index: 1051;
    }

    .mega-nav-item.mega-nav-item-pillhost::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      top: 100%;
      height: 10px;
    }
  }

  .mega-bar-eco-cluster .mega-nav-item.mega-nav-item-pillhost {
    padding: 3px 2px;
  }

  .mega-nav-item.mega-nav-item-pillhost:hover {
    background-color: transparent !important;
    color: #fff !important;
    box-shadow: none !important;
  }

  .mega-nav-item.mega-nav-item-pillhost .mega-eco-pill--bar {
    font-size: 0.78rem;
    white-space: nowrap;
  }

  .mega-bar-eco-cluster .mega-nav-item.mega-nav-item-pillhost .me-2.rounded-circle {
    width: 20px !important;
    height: 20px !important;
    margin-right: 4px !important;
  }

  .mega-bar-eco-cluster .mega-nav-item.mega-nav-item-pillhost .me-2.rounded-circle i {
    font-size: 11px !important;
  }

  .mega-bar-eco-cluster .mega-nav-item.mega-nav-item-pillhost .me-2.rounded-circle svg {
    width: 11px;
    height: 11px;
  }

  .mega-nav-item.mega-nav-item-pillhost .vav-eco-flyout {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 1050;
    display: none;
    min-width: min(280px, 92vw);
    max-width: min(420px, 96vw);
    cursor: default;
  }

  .mega-nav-item.mega-nav-item-pillhost:hover .vav-eco-flyout,
  .mega-nav-item.mega-nav-item-pillhost:focus-within .vav-eco-flyout {
    display: block;
    animation: fadeInMega 0.2s ease-out;
  }

  .mega-nav-item.mega-nav-item-pillhost .vav-eco-flyout__panel {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: 2px solid var(--vavsan-red, #c31313);
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
    padding: 0.85rem 1rem 1rem;
  }

  .mega-nav-item-pillhost .vav-eco-flyout__group + .vav-eco-flyout__group,
  .mega-nav-item-pillhost .vav-eco-flyout__group + .vav-eco-flyout__aside,
  .mega-nav-item-pillhost .vav-eco-flyout__aside {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }

  .mega-nav-item-pillhost .vav-eco-flyout__link {
    display: block;
    color: #444;
    font-size: 0.86rem;
    padding: 5px 0;
    text-decoration: none;
    transition: color 0.15s, transform 0.15s;
  }

  .mega-nav-item-pillhost .vav-eco-flyout__link:hover {
    color: var(--vavsan-red, #c31313);
    transform: translateX(3px);
    font-weight: 600;
  }

  .mega-nav-item-pillhost .vav-eco-flyout__portal-actions {
    display: flex;
    flex-direction: column;
  }

  .mega-nav-item-pillhost .mega-link {
    padding: 5px 0;
  }

  /* Trailing must shrink inside the row; do not force ~829px min-content width. */
  .mega-bar-trailing {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    margin-left: auto;
    flex: 1 1 auto;
    min-width: 0;
  }

  .mega-bar-eco-cluster {
    display: flex;
    flex-wrap: nowrap !important;
    align-items: center;
    gap: 4px 6px;
    padding: 4px 2px 4px 8px;
    align-self: center;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 0;
    flex: 1 1 auto;
    max-width: 100%;
  }

  /* Ana portal: Tüm ürünler → ekosistem pill’leri arasında boşluk/ayırıcı yok */
  .mega-bar-row--portal-eco {
    gap: 0.35rem;
    width: 100%;
    min-width: 0;
  }

  .mega-bar-row--portal-eco .mega-bar-cat-block {
    border-right: none;
    box-shadow: none;
    min-width: 0;
  }

  .mega-bar-row--portal-eco .mega-bar-nav-ctas {
    padding-right: 0;
  }

  .mega-bar-row--portal-eco .mega-bar-trailing {
    margin-left: 0;
  }

  .mega-bar-row--portal-eco .mega-bar-eco-cluster {
    border-left: none;
    padding-left: 0;
    gap: 4px;
    /* Tek satırda kalması için nowrap zorunlu */
    flex-wrap: nowrap !important;
    justify-content: flex-end;
  }

  /* Bootstrap .btn:hover dolgusu kullanılmıyor — okunaklı kalsa diye yükseltme + gölge */
  a.mega-eco-pill {
    display: inline-flex !important;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    border: 2px solid rgba(237, 240, 245, 0.98);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-size: 0.8rem;
    white-space: nowrap;
    text-decoration: none !important;
    color: inherit;
    cursor: pointer;
    transition:
      transform 0.18s ease,
      box-shadow 0.18s ease,
      border-color 0.18s ease;
  }
  a.mega-eco-pill:hover {
    transform: translateY(-2px);
    box-shadow:
      0 8px 20px rgba(0, 0, 0, 0.18),
      0 0 0 1px rgba(255, 255, 255, 0.55) inset;
    border-color: #fff;
  }
  a.mega-eco-pill:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
  }
  a.mega-eco-pill:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.95);
    outline-offset: 3px;
  }

  .mega-eco-vav {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: var(--vavsan-red, #c31313);
  }
  .mega-eco-suffix-der {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #10b981;
  }
  .mega-eco-suffix-dem {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #f59e0b;
  }
  .mega-eco-suffix-mim {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #e67e22;
  }
  /* DEM / HAT ile karışmasın — hafıza / arşiv: petrol yeşili */
  .mega-eco-suffix-hat {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #0f766e;
  }
  .mega-eco-suffix-pus {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #ea580c;
  }
  .mega-eco-suffix-han {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #0284c7;
  }
  .mega-eco-suffix-fix {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: #f97316;
  }
  .mega-eco-suffix-san {
    font-weight: 900;
    font-size: 0.92rem;
    letter-spacing: -0.4px;
    color: var(--vavsan-blue, #0054a6);
  }

  .mega-promo-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
  }

  .mega-promo-img:hover {
    transform: scale(1.02);
  }